VT-VRRA1-527-10/V0/RV Bosch Rexroth Indramat
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MPN: 811405148
The Bosch Rexroth Indramat VT-VRRA1-527-10/V0/RV is part of the VT-VRPA Electric Amplifiers series and supports a nominal supply voltage of 24 V DC with a maximum current consumption of 1.5 Amps. It features an actual value feedback of 10.4 V at 8 kHz and a max valve solenoid current of 2.7 Amps. The amplifier operates in ambient temperatures from 0 to 70 °C and has a front plate width of 7 TE.
Internal Product Review
The VT-VRRA1-527-10/V0/RV is an electric amplifier from Bosch Rexroth Indramat's VT-VRPA series, designed for precise valve control with a nominal supply voltage of 24 V DC and a max valve solenoid current of 2.7 A. Actual value feedback operates at 10.4 V / 8 kHz, ensuring fast and accurate response. This unit is well-suited for demanding industrial environments due to its reliable performance and adaptability.
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Product Description:
The VT-VRRA1-527-10/V0/RV electric amplifier from Bosch Rexroth Indramat belongs to the VT-VRPA Electric Amplifiers series. It drives proportional valve solenoids by converting low level command voltages from a PLC into controlled current for hydraulic regulation. The card fits a standardized rack and serves as the link between electronic control signals and hydraulic actuation.
The module uses a nominal 24 VDC supply and tolerates peaks up to 40 V DC before protective shutdown occurs. Control inputs are accepted in three ranges of 3.5 / 6.5 / 9.5 V, allowing the same card to match different spool overlap characteristics. An internal comparator samples spool position feedback at 10.4 V / 8 kHz, and overall logic plus driver circuitry draws no more than 1.5 A during dynamic motion.
The output stage can deliver up to 2.7 A into a coil and is rated for 25 VA, which helps keep large proportional valves saturated under heavy load. Permissible ambient temperature reaches 70 °C, so normal cabinet convection is generally sufficient within that limit. The front plate measures 7 TE, and zero point adjustment is preset, while status relays return a 24 V no error signal when internal tests pass at power up.
Wake Industrial can arrange same day shipping on qualified orders for urgent replacement needs. Quotes for this amplifier remain valid for 30 days, which helps when purchasing approval takes extra time. Customers can use the chat tool available on the website for questions about type codes or general specifications. Fast access to information helps maintenance teams reduce delays and keep repairs moving during unexpected downtime at busy plants.
